
#left_box{
	height: 100%;
	line-height:100%;
	width: expression((document.documentElement.clientWidth ||document.body.clientWidth) < 231 ? "231px" : "auto" );      
	width: 100%;
	background: #00204F;
}
.header{
 width: 231px;
 height: 100%;
 line-height: 100%;
}

.bg_bottom{
    background:url(../img/left/bg_bottom.png);
	background-position: bottom;
	background-repeat:no-repeat;
}

.menu_colsed{
  width:215px;
  height:34px;
  background:url(../img/left/menu_colsed.png);
}

.menu_open{
	width:215px;
	height:34px;
	background:url(../img/left/menu_open.png);
}

.left_top_div{
   padding-top: 30px;
}

.sutb_div{
   width: 100%;
  	text-align: center;
	vertical-align: middle;
	margin-left: auto;
	margin-right: auto;
}

.left_bg_class {
	height:94%;
	width:100%;
	background:url(../img/left/bg_bottom.png);
	position:absolute;
	background-position: bottom;
	background-repeat:no-repeat;
	background-color:#00204F;
}
